The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 04, 2025

Filed:

Mar. 27, 2024
Applicant:

Rtx Corporation, Farmington, CT (US);

Inventors:

Jon Erik Sobanski, Glastonbury, CT (US);

Jeffrey T. Morton, Manchester, CT (US);

Andrew E. Breault, Bolton, CT (US);

Assignee:

RTX CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/20 (2006.01); F02C 3/10 (2006.01); F02C 7/36 (2006.01); F02K 3/06 (2006.01); F16H 57/02 (2012.01); F16H 57/025 (2012.01);
U.S. Cl.
CPC ...
F02C 7/20 (2013.01); F02C 3/10 (2013.01); F02C 7/36 (2013.01); F02K 3/06 (2013.01); F16H 2057/02039 (2013.01); F16H 57/025 (2013.01);
Abstract

A propulsion system for an aircraft includes a propulsor section that includes a fan with a plurality of fan blades that are rotatable about a fan axis, a core engine that is configured to generate a gas flow, a power turbine that is mechanically uncoupled from the core engine and rotatable independent of the core engine, the gas flow from the core engine is expanded through the power turbine to generate shaft power, a support structure where the power turbine is mounted relative the core engine, a fan drive gear system that is driven by the power turbine and at least partially mounted to the support structure, and a power turbine shaft that includes a first coupling to the fan drive gear system and a second coupling to the propulsor section.


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